The history of pot

December 6, 2012

Mario Tama/Getty Images

23of33

Tania Gladstone tries out a hemp pretzel as Sintra Howell looks on at a stand promoting hemp products December 4, 2001 in New York City. The D.E.A. recently banned all hemp food products that contain THC, the active ingredient in marijuana.

Mario Tama/Getty Images

23of33

Tania Gladstone tries out a hemp pretzel as Sintra Howell looks on at a stand promoting hemp products December 4, 2001 in New York City. The D.E.A. recently banned all hemp food products that contain THC, the active ingredient in marijuana.